Crankshaft Main Bearing

Main Bearing Cap Torque & Sequence


The main bearing cap bolts are tightened in 2 progressive steps.

Step 1

Install and uniformly tighten the 16 main bearing cap bolts in the sequence shown in the illustration.






Torque 61 Nm (622 kgf-cm, 45 ft-lbf)

If any of the main bearing cap bolts does not meet the torque specified, replace it.

Step 2






Retighten the bearing cap bolts by 90° in the order above.
Check that the painted marks are now at a 90° angle to the front.

Install 8 new seal washers and uniformly tighten the 8 main bearing cap bolts in several steps and in the sequence shown in the illustration.






Torque 52 Nm (525 kgf-cm, 38 ft-lbf)

Bolt Length:





Main Bearing Clearance, standard & limit









Main Bearing Size Codes

There are 5 sizes of standard bearings, marked "1", "2", "3", "4" or "5" accordingly.






Journal Bearings






EXAMPLE: Cylinder block "11" + Crankshaft "06" = Total number 17 (Use bearing "3")

Crankshaft Main Journal Diameter:






Standard Upper Bearing Center Wall Thickness (No. 1 and No. 4 journals):






Standard Lower Bearing Center Wall Thickness (No. 1 and No. 4 journals):






Standard Upper Bearing Center Wall Thickness (No. 2 and No. 3 journals):






Standard Lower Bearing Center Wall Thickness (No. 2 and No. 3 journals):